Ultrasonic cleaner



FIG. 1 is a front, right side, top perspective view of an ultrasonic cleaning showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view.

The broken lines show portions of the ultrasonic cleaning that form no part of the claimed design. 

CLAIM The ornamental design for an ultrasonic cleaning, as shown and described. 